"""
range 介绍
"""

# range 语法1 range(num)
# print(range(5)) 0 1 2 3 4
# range 语法2 range(num1, num2)
# print(range(5,10)) 5 6 7 8 9
# range 语法3 range(num1, num2, step) 步长
# print(range(5,10,2)) 5 7 9


